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sf: Set quad enable bit support
authorJagannadha Sutradharudu Teki <jaganna@xilinx.com>
Thu, 26 Dec 2013 08:24:57 +0000 (13:54 +0530)
committerJagannadha Sutradharudu Teki <jaganna@xilinx.com>
Sat, 11 Jan 2014 09:43:26 +0000 (15:13 +0530)
commitd08a1baf617a8b7f1959c6b24c1ee7590a0c06a5
treecc3d76e62567f51f9051d3aabd224689a7bd17b8tree | snapshot
parent6cba6fdf96f13a0533187b9c16608d9ca44add40commit | diff
sf: Set quad enable bit support

This patch provides support to set the quad enable bit on flash.

quad enable bit needs to set before performing any quad IO
operations on respective SPI flashes.

Currently added set  quad enable bit for winbond and spansion flash
devices. stmicro flash doesn't require to set as qeb is volatile.
remaining flash devices support will add in future patches.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
drivers/mtd/spi/sf_internal.h diff | blob | history
drivers/mtd/spi/sf_ops.c diff | blob | history
drivers/mtd/spi/sf_probe.c diff | blob | history
UBoot for KaRo TX COM modules